Feedbrick a



(No Model.)

F. A. GARDNER. HOISTING AND WINDING DRUM.

Patented Feb. 14,1882.

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"UNITED Sr yrns' PATENT OFFICE.

FREDERICK A. GARDNER, OF BUFFALO, NEW YORK, ASSIGNOR TO HIMSELF AND R.DUNBAR 81; SON, OF SAME PLACE.

HOISTING AND WINDING DRUM.

SPECIFICATION forming part of Letters Patent No. 253,525, dated February14, 1882,, Application filed November 14, 1.881. (No model.)

To all whom it may concern: the pinions c, which transmit their movementBe it known that I, FREDERICK A. GARD- to the gearing F, and therebygive the neces- NER, a subject of the Queen of Great Britain, sarymovement to thedrum, when the head a residing in Buffalo, in the countyof Erie and is held stationary by the brake; and when the State of NewYork, have invented certain brake is open, so that the head a is loose,the 55 new and useful Improvements in Hoisting or drum will remainstationary.

Winding Drums, of which the following is a The braking device consistsof a thin mespeeifieation. tallic strip or ring, 1, (shown in Fig. 7,also in My invention relates to certain improve Figs. 4 and 6,) whichrin g is fitted in the ments in the mechanism and gearing for opergrooveL of the head a, (see Figs. 2 and 4,) 6o ating a winding-drum, all ofwhich will be and is provided with two hook-shaped ends, more clearlyhereinafter shown and described 6, at the bottom, into which the hookedends by reference to the accompanying drawings, of thejaws J J engage,(see Fig. 6,) said jaws in whichbeing kept in place by the pins 13 i, onwhich Figure 1 is a section through the drum-head. they swing or turneasily. The lower ends of 6 5 Fig.2 is a central longitudinal sectionthrough said jaws are made long enough to give the the drum-heads andthrough the end portions required leverage and form two arms, between ofthe winding-drum. Fig. 3 is a section which the pieceKis arranged,andeitherforms throughYY,Fig. 4. Fig. 4 represents a side a part of or isrigidly astened to a shaft, e,

elevation of the hoisting or winding drum com- (shown by dotted lines inFig. 4,) which shaft Y plete. Fig. 5 is a side elevation of a portion issecured in a bearing in the frame B, so as of the gearing and shaft.Fig. 6 is a section to turn easily therein. Its opposite end isprothrough line Z Z, Fig. 4; and Fig. 7 is a devided with a handle, H.(See Figs. 4 and 6.) tached front view of the friction-brake or a Itwill now appear from this arrangement that 2 portion of the same. whenthe arm H is in the position shown in The drum A is composed of theparts A Fig. 4 and by the dotted lines f in Fig. 6 the and heads a a,all of which are fitted so as to brake or ring I (which is made tospring outturn easily on the central shaft 0, and the ward and is kepttoits plaoe by the jawsJ J) whole is supported in a cast-iron frame, B.will spring open, so as to fit loosely in the 0 The shaft 0 is providedwith a pinion, D, which groove L, as the piece K has its narrowest por-8o gears into the wheels E, which gearing'is artion between the lowerends of the jaws, and ranged in the drum-head a. (See Figs. 2 and allowsthem to be forced nearer together by 4.) The wheels E are connected to ashaft, 1), the outward springing of the ring I, which havingits bearingsat each end of the drum, forces the upper hooked portions apart. W'hen 5(see Fig. 2,) and a pinion, c, is connected to the arm H is turned down,as shown in Fig. the opposite end of the shaft. There are three 6, theaction of the jaws is reversed, and the of such shafts, wheels, andpinious. The pinbrake is tightened, and the head a is held staions 0gear into the gearing F in the drumtionary, so that the drum A is turnedby the head a. (See Fig. 1.) The driving-wheel G action of thedriving-wheel Gr.

40 is keyed or otherwise secured to the shaft 0. This device is welladapted for hoisting o Oneside of the drum A is provided with a freightor for other similar purposes, and is hub, 0, upon which the head a isfitted and provided with the usual rope for that purpose, turns, and thehead a is also provided with a or with a cable or a chain, which isconnected hub, 0 The shaft O passes through the hub to the winding-drumin any well-known way.

5 c, then through the end 0 of the drum A, and By its means a heavyweight may be drawn 5 through the hub 0 so that the whole turns on up,or held stationary at any point, orlet down the said shaft. The hubs c care fitted in easily when required. hearings in the frame B. It will nowbe seen I claim as my invention that when the driving-wheel is turnedthe pin- 1. In a hoisting or winding drum, the hol- 50 ion 1) moves thewheels E, which in turn more low head a, having the gearing D and E, inI00 combination with the shafts b, winding-drum tially as specified,incombination with abrake, v A, and hollow head a at the opposite end,hav- I, and its connecting and operating parts, sub- :0 ing the gearing0 F and their operating mechstantially as described.

anism substantially as and for the purposes j 5 specified. FREDERICK A.GARDNER.

2. A winding or hoisting drum composed Witnesses: of the parts a A a,and provided with the AMos W. SANGsTER, driving-shaft, pulley, andgearing, substan- F. N. SIMoNDs.

